He said regrettably that he should have treated the experiment as (careful) ________ as he could.
举一反三
- He finally_______ that he failed in his experiment, and he said he won't continue.(admit)
- He wasn't shocked by what he had been told, but he was ______ that it should have been said to him by his own daughter.
- He looked_______ ,________ he could see nothing. A: careful, but B: careful, and C: carefully, but D: carefully, and
- He ______ the final exam, for he is so happy this evening. A) must pass C) could pass B) should have passed D) must have passed A: He ______ the final exam, for he is so happy this evening. B: must pass C: should have passed D: could pass E: must have passed
- He is not such a person and he ______ such a thing. A: cannot have done B: must not have done C: should not have done D: could not have done